the nional park service now expects 60000 people to attend john stewart's rally to restore sanity and stephen colbert's rival "march to keep fear alive." that's more than twice the estimates. they amended the number of their peit application. that permit has not been approved yet. and t park says no deadline has been set for finalizing it. >>> you won't have to wait until those rallies for some big laughs, thoh. tonight is the season premiere of nbc thursday's comedy lineup. >> what is it exactly that separates man from animal? >> divorce. >> reporter: the season premiere of "community" shows a side of betty white we haven't seen befo. >> her character is the sweetest, most dangerous person on our campus. >> reporter: she's also the greendale gang's new anthropology teacher. and talk about teaching a lesson. >> i respect you. >> i hope your children never have to take class from her because she's a little weird. >> reporter: it's almost as weird as seeing jack don donaghy with a beard. >> he's such a nice guy, easy going to have around, you almost forget he's a giant movie star. >> that's as